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CVE-2025-25306

9.3 · CRITICAL

Misskey is an open source, federated social media platform.

Published Mar 10, 2025CWE-346EPSS 0.18%

Overview

CVE-2025-25306 is a critical-severity vulnerability. It was published on March 10, 2025 and has a CVSS 3.1 base score of 9.3 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.3, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Misskey is an open source, federated social media platform. The patch for CVE-2024-52591 did not sufficiently validate the relation between the `id` and `url` fields of ActivityPub objects. An attacker can forge an object where they claim authority in the `url` field even if the specific ActivityPub object type require authority in the `id` field. Version 2025.2.1 addresses the issue.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/misskey-dev/misskey/releases/tag/2025.2.1GitHubgithub.com/misskey-dev/misskey/security/advisories/GHSA-6w2c-vf6f-xf26

How CyberStrike helps

Frequently asked questions

What is CVE-2025-25306?

CVE-2025-25306 is a critical-severity vulnerability. It was published on March 10, 2025 and has a CVSS 3.1 base score of 9.3 (CRITICAL).

How severe is CVE-2025-25306?

This vulnerability has a CVSS 3.1 base score of 9.3, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-25306?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-25306?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-25306 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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